20376863.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{523}}^1$

素因数の和:747

約数の個数: 128

約数和(自身を含む): 724377600

約数和(自身を除く): 496621560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 191, 228, 285, 380, 382, 456, 523, 570, 573, 760, 764, 955, 1046, 1140, 1146, 1528, 1569, 1910, 2092, 2280, 2292, 2615, 2865, 3138, 3629, 3820, 4184, 4584, 5230, 5730, 6276, 7258, 7640, 7845, 9937, 10460, 10887, 11460, 12552, 14516, 15690, 18145, 19874, 20920, 21774, 22920, 29032, 29811, 31380, 36290, 39748, 43548, 49685, 54435, 59622, 62760, 72580, 79496, 87096, 99370, 99893, 108870, 119244, 145160, 149055, 198740, 199786, 217740, 238488, 298110, 299679, 397480, 399572, 435480, 499465, 596220, 599358, 799144, 998930, 1192440, 1198716, 1498395, 1897967, 1997860, 2397432, 2996790, 3795934, 3995720, 5693901, 5993580, 7591868, 9489835, 11387802, 11987160, 15183736, 18979670, 22775604, 28469505, 37959340, 45551208, 56939010, 75918680, 113878020, 227756040]

約数ペア:

[(1, 227756040), (2, 113878020), (3, 75918680), (4, 56939010), (5, 45551208), (6, 37959340), (8, 28469505), (10, 22775604), (12, 18979670), (15, 15183736), (19, 11987160), (20, 11387802), (24, 9489835), (30, 7591868), (38, 5993580), (40, 5693901), (57, 3995720), (60, 3795934), (76, 2996790), (95, 2397432), (114, 1997860), (120, 1897967), (152, 1498395), (190, 1198716), (191, 1192440), (228, 998930), (285, 799144), (380, 599358), (382, 596220), (456, 499465), (523, 435480), (570, 399572), (573, 397480), (760, 299679), (764, 298110), (955, 238488), (1046, 217740), (1140, 199786), (1146, 198740), (1528, 149055), (1569, 145160), (1910, 119244), (2092, 108870), (2280, 99893), (2292, 99370), (2615, 87096), (2865, 79496), (3138, 72580), (3629, 62760), (3820, 59622), (4184, 54435), (4584, 49685), (5230, 43548), (5730, 39748), (6276, 36290), (7258, 31380), (7640, 29811), (7845, 29032), (9937, 22920), (10460, 21774), (10887, 20920), (11460, 19874), (12552, 18145), (14516, 15690)]